This bicycle, novel in both functionality and design, is a modified upright bicycle, which, because it incorporates a seat which is adjustable along an inclined Seat Beam, provides optimum dimensions for each individual rider. In addition, it exhibits improved safety, maneuverability, comfort and efficiency of operation.
CROSS REFERENCE TO RELATED APPLICATIONS
This application claims priority from U.S. Provisional Application Ser. No. 60/158,455, filed Oct. 8, 1999, which is incorporated in its entirety herein.
A bicycle includes front and rear wheels, which are mounted respectively on front and rear ends of a bicycle frame. The bicycle frame has an inclined main tube that extends rearwardly and downwardly from a head tube to a seat tube. A drive sprocket is disposed on the main tube, and is located between the head tube and the seat tube. As such, the total length of the bicycle can be shortened.
A bicycle includes a bicycle frame, a wheel set, a treading unit, a handlebar unit, and a seat unit. The bicycle frame has front and rear ends. The wheel set includes front and rear wheels disposed respectively on the front and rear ends of the bicycle frame. The treading unit is mounted on the bicycle frame for transmitting treading power to the wheel set. The handlebar unit is mounted on the bicycle frame and is coupled to the front wheel to permit steering of the front wheel. The handlebar unit is pivotable toward and away from the rear end of the bicycle frame. The seat unit is mounted adjustably on the bicycle frame to permit height adjustment thereof relative to the handlebar unit.
